Home / 222,212.91-306,652.83-120,240.18

Finding the Fourth Proportional to 222,212.91, 306,652.83 and 120,240.18

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Solution

The fourth proportional to 222,212.91, 306,652.83 and 120,240.18 is: 165,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,212.91 : 306,652.83 = 120,240.18 : x
  2. Step 2: Convert to fraction form
    222,212.91/306,652.83 = 120,240.18/x
  3. Step 3: Cross multiply
    222,212.91x = 306,652.83 × 120,240.18
  4. Step 4: Simplify right side
    222,212.91x = 36,871,991,476.71
  5. Step 5: Solve for x
    x = 36,871,991,476.71/222,212.91
  6. Step 6: Final answer
    x = 165,930.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.